$.extend($.fn.validatebox.defaults.rules, {
    mobile : {
        validator: function(value){
            return /^1[0-9]{10}$/i.test($.trim(value));
        },
        message: '手机号码格式错误.'
    },
    // 身份证号码验证
    idCardNo : {
        validator: function(value) {
            return isIdCardNo(value);
        },
        message : "请正确输入您的身份证号码."
    },
});

function isIdCardNo(num) {
    var factorArr = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1);
    var varArray = new Array();
    var lngProduct = 0;
    var intCheckDigit;
    var intStrLen = num.length;
    var idNumber = num;
    // initialize
    if ((intStrLen != 15) && (intStrLen != 18)) {
        // error = "输入身份证号码长度不对！";
        // alert(error);
        // frmAddUser.txtIDCard.focus();
        return false;
    }
    // check and set value
    for (i = 0; i < intStrLen; i++) {
        varArray[i] = idNumber.charAt(i);
        if ((varArray[i] < '0' || varArray[i] > '9') && (i != 17)) {
            // error = "错误的身份证号码！.";
            // alert(error);
            // frmAddUser.txtIDCard.focus();
            return false;
        } else if (i < 17) {
            varArray[i] = varArray[i] * factorArr[i];
        }
    }
    if (intStrLen == 18) {
        // check date
        var date8 = idNumber.substring(6, 14);
        if (isDate8(date8) == false) {
            // error = "身份证中日期信息不正确！.";
            // alert(error);
            return false;
        }
        // calculate the sum of the products
        for (i = 0; i < 17; i++) {
            lngProduct = lngProduct + varArray[i];
        }
        // calculate the check digit
        intCheckDigit = 12 - lngProduct % 11;
        switch (intCheckDigit) {
            case 10:
                intCheckDigit = 'X';
                break;
            case 11:
                intCheckDigit = 0;
                break;
            case 12:
                intCheckDigit = 1;
                break;
        }
        // check last digit
        if (varArray[17].toUpperCase() != intCheckDigit) {
            // error = "身份证效验位错误!...正确为： " + intCheckDigit + ".";
            // alert(error);
            return false;
        }
    } else { // length is 15
           // check date
        var date6 = idNumber.substring(6, 12);
        if (isDate6(date6) == false) {
            // alert("身份证日期信息有误！.");
            return false;
        }
    }
    // alert ("Correct.");
    return true;
}

/*
 判断是否为“YYYYMMDD”式的时期
 */
function isDate8(sDate) {
    if (!/^[0-9]{8}$/.test(sDate)) {
        return false;
    }
    var year, month, day;
    year = sDate.substring(0, 4);
    month = sDate.substring(4, 6);
    day = sDate.substring(6, 8);
    var iaMonthDays = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ]
    if (year < 1700 || year > 2500)
        return false
    if (((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0))
        iaMonthDays[1] = 29;
    if (month < 1 || month > 12)
        return false
    if (day < 1 || day > iaMonthDays[month - 1])
        return false
    return true
}

/*
 判断是否为“YYYYMM”式的时期
 */
function isDate6(sDate) {
    if (!/^[0-9]{6}$/.test(sDate)) {
        return false;
    }
    var year, month, day;
    year = sDate.substring(0, 4);
    month = sDate.substring(4, 6);
    if (year < 1700 || year > 2500)
        return false
    if (month < 1 || month > 12)
        return false
    return true
}
